add SetNativeTheme() (slightly modified patch 1884553)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@52149 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

docs/changes.txt

@@ -279,7 +279,8 @@ All (GUI):
 - Made wxSizer::Fit() set the client size of the target window
 - Add support for wxDatePickerCtrl in wxGenericValidator (Herry Ayen Yang)
 - Added wxWindow::HasFocus().
-- Added wxGLCanvas::IsDisplaySupported()
+- Added wxGLCanvas::IsDisplaySupported().
+- Added wxApp::SetNativeTheme() (Stefan H.).
 
 wxGTK:
 

docs/latex/wx/app.tex

@@ -734,6 +734,19 @@ know what you're doing if you call it.
 \helpref{wxApp::GetInstance}{wxappgetinstance}
 
 
+\membersection{wxApp::SetNativeTheme}\label{wxappsetnativetheme}
+
+\func{bool}{SetNativeTheme}{\param{const}{wxString\&}{theme}}
+
+Allows runtime switching of the UI environment theme. Currently implemented for wxGTK2-only.
+
+Return \true if theme was successfully changed.
+
+\wxheading{Parameters}
+
+\docparam{theme}{The name of the new theme or an absolute path to a gtkrc-theme-file}
+
+
 \membersection{wxApp::SetTopWindow}\label{wxappsettopwindow}
 
 \func{void}{SetTopWindow}{\param{wxWindow* }{window}}